diff --git a/app/src/main/java/com/swoosh/microblog/ui/components/PulsingPlaceholder.kt b/app/src/main/java/com/swoosh/microblog/ui/components/PulsingPlaceholder.kt
new file mode 100644
index 0000000..dd01f9f
--- /dev/null
+++ b/app/src/main/java/com/swoosh/microblog/ui/components/PulsingPlaceholder.kt
@@ -0,0 +1,44 @@
+package com.swoosh.microblog.ui.components
+
+import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun PulsingPlaceholder(
+    modifier: Modifier = Modifier,
+    height: Dp = 80.dp
+) {
+    val infiniteTransition = rememberInfiniteTransition(label = "pulse")
+    val alpha by infiniteTransition.animateFloat(
+        initialValue = 0.12f,
+        targetValue = 0.28f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(800),
+            repeatMode = RepeatMode.Reverse
+        ),
+        label = "pulseAlpha"
+    )
+
+    Box(
+        modifier = modifier
+            .fillMaxWidth()
+            .height(height)
+            .clip(RoundedCornerShape(12.dp))
+            .background(MaterialTheme.colorScheme.onSurface.copy(alpha = alpha))
+    )
+}